David wrote "I can always retag from my records after the split"
Hi David, It does seem that most of your work will survive. Those maxspeed edits done by bots (under the userid of JohnSmith or Rosscoe) will disappear without harm in April. A lot of them are incorrect so the accuracy of the OSM data will actually improve a bit. However some decliner edits will affect your work. If you look at the intersection of Leichardt Avenue and Amity Drive. It seems that you mapped this area well, in 2007. Then in 2009 the user JohnSmith and also Rosscoe have made minor improvements and "tweaks". This has, in a lot of cases ended up with them being version1 "owners" of the roads you mapped. These will disappear with the licence change and the one bit of Amity Drive that still has you in the histroy chain will be left disconnected. You will nedd to remap these bits from your original data and you can also use Bing to put in that roundabout at the intersection. The real problem is that you can't easily see which of your work is only tainted by the maxspeed bots and which has been compromised by other decliner edits. However I'm hopeful there may be a soultion to this problem in the near future. Till then you will need to inspect your work (way by way) to check out the history chain, manually ignore any changes by JohnSmith or Rosscoe that were only for masxpeed maxspeed:source or source:maxspeed, and then concentrate on what of your information is at risk from any other decliner edits. You will find that decliners have put in roundabouts, straightened roads, added turning circles etc. The turning circles are good to be there but there removal is not an issue unless an acceptor has subsequently tied a footpath to it, so it would be usefull for you to delete the decliners turning circle, the whole node not just the tag and re add it from your info (or Bing). This is a lot of work (you should see the hammering I'm giving the history database) but will result in the minimal damnage to our data come April. Nick
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